<template>
    <h3 :style="{color}">GrandSon孙子组件</h3>
</template>
<script lang="ts">
import { defineComponent, inject} from 'vue';
export default defineComponent({
    name: 'GrandSon',
    setup(){
        // 注入
        const color=inject('color')
        return{
            color
        }
    }
});
</script>